https://www.w3.org/Bugs/Public/show_bug.cgi?id=20853
Bug ID: 20853
Summary: [WebVTT] WebVTT files should have a default language
Classification: Unclassified
Product: TextTracks CG
Version: unspecified
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P2
Component: WebVTT
Assignee: ian@hixie.ch
Reporter: silviapfeiffer1@gmail.com
QA Contact: dave.null@w3.org
CC: mike@w3.org, public-texttracks@w3.org
Depends on: 15922
As discussed in bug 15922 , the :lang() selector used on a WebVTT file's cues
that have no <lang> markup can't match anything.
This leads back to the need to specify file-level language.
One way to fix this is to take the implicit assumption that if the WebVTT file
was pulled in via a <track ... @srclang attribute, that @srclang is the default
language of the WebVTT file and can be used in :lang() selections, e.g. when
all text on a video in a particular language requires specific styling.
Providing <lang> markers for every single cue just to set the default language
seems overkill.
This further leads on to specifying the language of the WebVTT file in the file
itself for those applications that don't display the WebVTT file in a browser
e.g. as in
WEBVTT
Language=fr
cue id
00:00:00.000 --> 00:00:01.000
bonjour
IMO this file-wide metadata field can be ignored by the Web browser, since the
Web browser relies on @srclang in <track>. So, this is just a hint for other
WebVTT consuming clients.
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